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DFS errors + Journal Wrap Increasing Windows 2008

   I have 2 windows 2008 servers that i want enable dfs replication. I have created dfs it is name servers are on 2003 server but the 2 sfile ervers are 2008 replicating. I have enable read only replicating on one of the file servers as it is just going be used a reciever of files i do not want any changes to replicate back. Problem is i get the below error

A USN journal wrap occurred 5 times in the past 7 days on E:. DFS Replication monitors the USN journal to detect changes made to the replicated folder. A USN journal wrap occurs when large numbers of files change so quickly that the USN journal must discard the oldest changes (before DFS Replication has had a chance to detect the changes) to stay within the specified size limit of the USN journal. Although DFS Replication automatically recovers from this problem, replication stops temporarily for replicated folders stored on this volume. Repeated journal wraps usually indicate that the USN journal is too small. Event ID: 2202
  Last occurred: 15 April 2010 at 12:13:34 (GMT0:00)
  Suggested action: Increase the size of the USN journal. For more information, see the The Microsoft Web Site.  

The files are replicating but it seems to be alot slower than expected.

I have looked into increasing the usn journal size but i can not find where to do it in 2008. I see it alot reference on the net to make edits to the following reg key

HKLM\System\CCS\Services\NTFRS\Parameters\"Ntfs Journal size in MB" (REG_DWORD)

but i can not find this in windows 2008 i have checked on windows 2003 machines and it is there so where do i increase the size in windows 2008??

Also i know it is 512 mb if say i increase to 2gb or more is there a performance impact at all is there anything i should know about increasing??

1 Solution
fsutil usn
delete and recreate log with proper parameters

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